/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package ant.antsys;

import org.apache.tools.ant.BuildException;

/**
 * Assertion class to check property
 * <p> For example, this class can be used to check the test process exit code when using 
 * with <exec> task'resultproperty
 * </P>
 * @author johnson ma
 */
public class AssertPropertyEquals extends AssertFail {
	private String property;
	private String value;

	public BuildException getException() {
		return exception;
	}

	// The method executing the task
	public void execute() throws BuildException {
		if (property == null) {
			throw new BuildException("The property attribute must be present.",
					getLocation());
		}
		if (value == null) {
			throw new BuildException("The value attribute must be present.",
					getLocation());
		}

		String result = project.getProperty(property);

		if (result != null && result.equals(value)) {
			return;
		}
		if (errorMsg == null) {
			BuildException be = new BuildException("property " + property
					+ " expected value:" + value + " actual value:" + result,
					getLocation());
			throw be;
		} else {
			BuildException be = new BuildException(errorMsg, getLocation());
			throw be;
		}
	}

	public void setProperty(String property) {
		this.property = property;
	}

	public void setValue(String value) {
		this.value = value;
	}

}
